{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950708,-0.310087,0.000000,0.000000,0.173415,-0.531681,0.829001,0.000000,-0.256521,0.786477,0.561829,0.000000,-1637854.344416,5021564.093791,3563199.615520,1],    "boundingVolume": {    "region": [1.885998,0.596510,1.886163,0.596680,0.000000,8.791633]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/2_1392136.b3dm"}}}